nomacs is a free image viewer, which supports multiple platforms. You can use it for viewing all common image formats including RAW and psd images. nomacs features semi-transparent widgets that display additional information such as thumbnails, metadata or histogram.
It is able to browse images in zip or MS Office files which can be extracted to a directory. Metadata stored with the image can be displayed and you can add notes to images. A thumbnail preview of the current folder is included as well as a file explorer panel which allows switching between folders. Within a directory you can apply a file filter, so that only images are displayed whose filenames have a certain string or match a regular expression. Activating the cacher allows for instantly switching between images.
nomacs includes image manipulation methods for adjusting brightness, contrast, saturation, hue, gamma, exposure. It has a pseudo color function which allows creating false color images. A unique feature of nomacs is the synchronization of multiple instances. With this feature you can easily compare images by zooming and/or panning at the exactly same position or even by overlaying them with different opacities.
nomacs is licensed under the GNU General Public License v3 and available for Windows, Linux, FreeBSD, Mac, and OS/2.
nomacs features:
Image Viewing
- supports the most common image formats including RAW
- fast thumbnail preview
- zoomable grid preview of thumbnails
- display exif information
- framless view
- change transparency of windows
- display overview/histogram/file info
- file filtering/searching/sorting
- improved anti-aliasing (cool for displaying highly textured images)
- hide menubar and toolbar
- slideshow
- image information (e.g. date created)
- play/pause with user defined time interval
- adjustable background color
Image Editing
- crop images
- resize images
- pseudo color function
- color adjustments (brightness/contrast/saturation …)
- multi page TIFF export
- rotate images
- drag and drop images
- automatically save screenshots
- delete/rename images
- create mosaic image
- set wallpaper (windows only)
Viewer Synchronization
- synchronize multiple instances
- synchronized zooming
- synchronized panning
- synchronized next/previous file
- overlay of two or more instances (with changing opacity)
- arrange synchronized instances
- synchronize multiple instances in the LAN
- synchronized zooming
- synchronized panning
- images can be sent over LAN connection
This version fixes known issues of 2.4.4:
- Folder ScrollBar added again (and updated)
- Various crashes are fixed now (metadata saving/displaying)
- Sorting fixed
- And some minor bug fixes
Download: nomacs 2.4.6 for multiple Operating Systems
Link: nomacs home page | SF Project Page
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